With the MSI Afterburner application, you can officially overclock your video card which fully supports out-of-the-box usage and works with many different graphics adapters such as Nvidia GeForce and ATI/AMD Radeon graphics chips. A review of MSI Afterburner has also been published. Download MSI Afterburner (from Video Tweaks)

I would like to expressly point out that this gadget API's from the respective manufacturers (AMD / Intel) is used to gain access to his information, and these APIs are dependent on the maintenance by the manufacturer to deliver on all graphics cards all the data.. Download NVIDIA GPU Sidebar Gadget (from Video Tweaks)

ASUS GPU Tweak Utility is a free application developed by ASUS which allows you to tweak and overclock your graphics cards. A review of ASUS GPU Tweak has also been published. Download ASUS GPU Tweak (from Video Tweaks)